Hello! Every time I play a game I get these weird purple checkers and these long random things across my screen, sometimes there are no walls and people are invisible, I have tried updating drivers and cleaning the dust off. Neither have helped. I have-
Intel Core 2 Quad Q6500 4MB L2 Cache
Lenovo Intel 52KT43AUS
4GB DDR2 332.5MHZ
Geforce GTX 285 1GB VRAM